<?php

use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreatePermissionTables extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        $tableNames = config('permission.table_names');
        $columnNames = config('permission.column_names');

        if (empty($tableNames)) {
            throw new \Exception('Error: config/permission.php not loaded. Run [php artisan config:clear] and try again.');
        }

        Schema::create($tableNames['permissions'], function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->integer('system_admin_id')->nullable()->comment('创建人 id');
            $table->string('name')->comment('权限标识（前后台都有）');       // For MySQL 8.0 use string('name', 125);
            $table->string('cn_name')->comment('按钮名称');// For MySQL 8.0 use string('name', 125);
            $table->string('routename')->comment('路由名称（前台）');// For MySQL 8.0 use string('name', 125);
            $table->integer('pid')->default(0)->comment('父级id');
            $table->integer('sort')->default(0)->comment('排序');
            $table->integer('parameter')->nullable()->comment('参数');
            $table->integer('level')->comment('等级');
            $table->string('interfacepath')->comment('接口路径（后台）');
            $table->string('mode')->nullable()->comment('请求的方式：0 GET 1POST 2PUT 3DELETE');
            $table->tinyInteger('type')->comment('adminTaype 接口路由（后台）authTaype菜单（前台）');
            $table->integer('status')->default(1)->comment('是否显示:0不显示 1显示(默认)');// For MySQL 8.0 use string('name', 125);
            $table->integer('is_hidden')->default(0)->comment('是否影藏:0不影藏 1影藏(默认)');// For MySQL 8.0 use string('name', 125);
            $table->string('guard_name')->default('admin');
            $table->softDeletes();// For MySQL 8.0 use string('guard_name', 125);
            $table->timestamps();

            $table->unique(['name', 'guard_name']);
        });

        Schema::create($tableNames['roles'], function (Blueprint $table) {
            $table->bigIncrements('id')->comment('角色表');
            $table->string('name')->comment('英文名称');       // For MySQL 8.0 use string('name', 125);
            $table->string('cn_name')->comment('中文名称');       // For MySQL 8.0 use string('name', 125)// For MySQL 8.0 use string('name', 125);
            $table->string('guard_name')->default('api');
            $table->integer('status')->comment('是否显示:0不显示 1显示(默认)');// For MySQL 8.0 use string('guard_name', 125);
            $table->softDeletes();
            $table->timestamps();

            $table->unique(['name', 'guard_name']);
        });

        Schema::create($tableNames['model_has_permissions'], function (Blueprint $table) use ($tableNames, $columnNames) {
            $table->unsignedBigInteger('permission_id');

            $table->string('model_type');
            $table->unsignedBigInteger($columnNames['model_morph_key']);
            $table->index([$columnNames['model_morph_key'], 'model_type'], 'model_has_permissions_model_id_model_type_index');

            $table->foreign('permission_id')
                ->references('id')
                ->on($tableNames['permissions'])
                ->onDelete('cascade');

            $table->primary(['permission_id', $columnNames['model_morph_key'], 'model_type'],
                    'model_has_permissions_permission_model_type_primary');
        });

        Schema::create($tableNames['model_has_roles'], function (Blueprint $table) use ($tableNames, $columnNames) {
            $table->unsignedBigInteger('role_id');

            $table->string('model_type');
            $table->unsignedBigInteger($columnNames['model_morph_key']);
            $table->index([$columnNames['model_morph_key'], 'model_type'], 'model_has_roles_model_id_model_type_index');

            $table->foreign('role_id')
                ->references('id')
                ->on($tableNames['roles'])
                ->onDelete('cascade');

            $table->primary(['role_id', $columnNames['model_morph_key'], 'model_type'],
                    'model_has_roles_role_model_type_primary');
        });

        Schema::create($tableNames['role_has_permissions'], function (Blueprint $table) use ($tableNames) {
            $table->unsignedBigInteger('permission_id');
            $table->unsignedBigInteger('role_id');

            $table->foreign('permission_id')
                ->references('id')
                ->on($tableNames['permissions'])
                ->onDelete('cascade');

            $table->foreign('role_id')
                ->references('id')
                ->on($tableNames['roles'])
                ->onDelete('cascade');

            $table->primary(['permission_id', 'role_id'], 'role_has_permissions_permission_id_role_id_primary');
        });

        app('cache')
            ->store(config('permission.cache.store') != 'default' ? config('permission.cache.store') : null)
            ->forget(config('permission.cache.key'));
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        $tableNames = config('permission.table_names');

        if (empty($tableNames)) {
            throw new \Exception('Error: config/permission.php not found and defaults could not be merged. Please publish the package configuration before proceeding, or drop the tables manually.');
        }

        Schema::drop($tableNames['role_has_permissions']);
        Schema::drop($tableNames['model_has_roles']);
        Schema::drop($tableNames['model_has_permissions']);
        Schema::drop($tableNames['roles']);
        Schema::drop($tableNames['permissions']);
    }
}
